Table 2.
The average results of percentage difference of PM mass concentration (mg/m3) among untreated air (control) and air treatment using an air pump when compared between 0 and 5 min.
| Air pollutant diameter | Percentage difference of PM mass concentration (mg/m3) |
|||||||
|---|---|---|---|---|---|---|---|---|
| Control |
Air pump |
|||||||
| Mean | Min | Max | SD | Mean | Min | Max | SD | |
| PM1.0 | +51.098 | −16.589 | +261.006 | ±82.140 | +2.784 | −12.209 | +37.500 | ±13.196 |
| PM2.5 | +51.167 | −16.589 | +261.006 | ±82.105 | +2.860 | −12.186 | +37.500 | ±13.177 |
| PM5.0 | +51.049 | −16.355 | +258.750 | ±81.533 | +2.902 | −11.992 | +37.391 | ±13.097 |
| PM10 | +50.217 | −14.685 | +258.385 | ±81.269 | +2.877 | −11.753 | +37.249 | ±13.035 |